Keeping a safe navigational watch Flashcards

1
Q

Part B of the Collision Regulations is split up into three sections, what are they?

A

Section I - Conduct of vessels in any condition of visibility

Section II - Conduct of vessels in sight of one another

Section III - Conduct of vessels in restricted visibility

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2
Q

What is rule 5 about?

State three ways in which you will achieve it in order to “make a full appraisal of the situation and of the risk of collision”

A

Lookout
Sight
Hearing
All available means

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3
Q

Why should a “vessel at all times proceed at a safe speed”?

A
  • so that she can take proper and effective action to avoid collision
  • be stopped within a distance appropriate to the prevailing circumstances and conditions.
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4
Q

What factors should all vessels take into account when determining a safe speed?

VD Makes Big Willies Droop

A

The state of visibility

The traffic density including concentrations of fishing vessels or any other vessels

The manoeuvrability of the vessel

At night the presence of background light

The state of wind, sea and current, and the proximity of navigational hazards

The draught in relation to the available depth of water

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5
Q

What factors additionally should vessels with operational radar take into account

Charlotte Church Enjoys Pasta Not Vagina

A
  • Characteristics, efficiency and limitations of the radar equipment;
  • Any constraints imposed by the radar range scale in use;
  • The effect on radar detection of the sea state, weather and other sources of interference
  • The possibility that small vessels, ice and other floating objects may not be detected by radar at an adequate range;
  • The number, location and movement of vessels detected by radar
  • The more exact assessment of the visibility that may be possible
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6
Q

Under rule 8 action taken to avoid collision with another vessel shall result in what?

A

shall be such as to result in passing at a safe distance

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7
Q

The effectiveness of the action shall be carefully checked until when?

A

the other vessel is finally past and clear

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8
Q

What does Rule 10 not relieve any vessel of?

A

her obligation under any other Rule

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9
Q

A vessel using a traffic separation scheme shall:

A
  • proceed in the appropriate traffic lane in the general direction of traffic flow for that lane
  • so far as practicable keep clear of a traffic separation line or separation zone
  • normally join or leave a traffic lane at the termination of the lane
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10
Q

When can a vessel enter an Inshore Traffic Zone?

A
  • When she is a vessel of less than 20 metres in length
  • If she is a sailing vessel
  • If she is engaged in fishing
  • When EN route to or from a port -
    Offshore Installation
    Pilot Station
    Other place situated within the ITZ
  • To avoid immediate danger
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11
Q

When can a vessel enter a separation zone (other than a crossing vessel)?

A
  • In cases of emergency to avoid immediate danger
  • to engage in fishing within a separation zone
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12
Q

What should a vessel not using a TSS do?

A

avoid it by as wide a margin as is practicable

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13
Q

What operations exempt a vessel from complying with rule 10 to the extent necessary for carrying it out?

A

A vessel restricted in her ability to manoeuvre when engaged in an operation for -

  • maintenance of safety of navigation
  • laying, servicing or picking up of a submarine cable
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14
Q

Except where rules 9, 10 and 13 otherwise require, a power-driven vessel shall keep out of the way of

A
  • vessel not under command;
  • vessel restricted in her ability to manoeuvre;
  • vessel engaged in fishing;
  • sailing vessel
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15
Q

In rule 19 what actions should be taken upon encountering restricted visibility?

A
  • proceed at a safe speed
  • have her engines ready for immediate manoeuvre
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16
Q

Restricted visibility sound signal -
PDV underway but stopped

A

At intervals not exceeding 2 minutes - 2 long blasts

17
Q

Restricted visibility sound signal -
PDV making way

A

At intervals not exceeding 2 minutes - 1 long blast

18
Q

Restricted visibility sound signal - Sailing vessel

A

At intervals not exceeding 2 minutes -
1 long blast followed by 2 short blasts

19
Q

Restricted visibility sound signal - Fishing vessel

A

At intervals not exceeding 2 minutes - 1 long blast followed by 2 short blasts

20
Q

Restricted visibility sound signal - RAM

A

At intervals not exceeding 2 minutes -
1 long blast followed by 2 short blasts

21
Q

List 6 things that the OOW should do on encountering restricted visibility

A
  • Call the master
  • Start fog signal
  • Post lookout
  • Check gain & tuning on Radar
  • Have engines ready for manoeuvre
  • Make an entry in the log book
22
Q

List 6 reasons for calling the Master to the bridge

A
  • restricted visibility
  • Not sighting land/navigational marks
  • when expecting to Sighting land/navigational mark that you don’t expect
  • Difficulty in maintaining course due to weather etc
  • Traffic situation
  • Master has requested a call in night orders etc